The latest anti-virus tests carried out by AV-TEST show that the performance of Windows Defender is similar to that of leading security manufacturers such as Kaspersky and Symantec. Specifically, Windows Defender scored 6 out of three individual tests for protection, performance and availability, bringing the total score to 18. Apart from Windows Defender, there are only three other security solutions with a maximum score of 18. They are F-Secure SAFE, Kaspersky Internet Security and Symantec Norton Security.
Windows 10 is provided as native antivirus software on Windows 10 and is the core protection module for more advanced security Hub integrated into the operating system. The latest version of Windows 10 (officially known as May 2019 Update, or version 1903) has a feature called Windows Security by default, which provides a wealth of security features such as virus and threat protection, account protection, firewall, device security, performance and health, and parental control.